diff --git a/data/src/emulator.js b/data/src/emulator.js
index 1318f9e..4b05a4d 100644
--- a/data/src/emulator.js
+++ b/data/src/emulator.js
@@ -696,7 +696,9 @@ class EmulatorJS {
                             this.startGameError(this.localization('Network Error'));
                             return;
                         }
-                        if (this.toData(this.config.gamePatchUrl, true)) {
+                        if (this.config.gamePatchUrl instanceof File) {
+                            this.config.gamePatchUrl = this.config.gamePatchUrl.name;
+                        } else if (this.toData(this.config.gamePatchUrl, true)) {
                             this.config.gamePatchUrl = "game";
                         }
                         gotData(res.data);
@@ -746,7 +748,9 @@ class EmulatorJS {
                             this.startGameError(this.localization('Network Error'));
                             return;
                         }
-                        if (this.toData(this.config.gameParentUrl, true)) {
+                        if (this.config.gameParentUrl instanceof File) {
+                            this.config.gameParentUrl = this.config.gameParentUrl.name;
+                        } else if (this.toData(this.config.gameParentUrl, true)) {
                             this.config.gameParentUrl = "game";
                         }
                         gotData(res.data);
@@ -800,7 +804,9 @@ class EmulatorJS {
                             this.startGameError(this.localization('Network Error'));
                             return;
                         }
-                        if (this.toData(this.config.biosUrl, true)) {
+                        if (this.config.biosUrl instanceof File) {
+                            this.config.biosUrl = this.config.biosUrl.name;
+                        } else if (this.toData(this.config.biosUrl, true)) {
                             this.config.biosUrl = "game";
                         }
                         gotBios(res.data);
@@ -935,7 +941,9 @@ class EmulatorJS {
                             this.startGameError(this.localization('Network Error'));
                             return;
                         }
-                        if (this.toData(this.config.gameUrl, true)) {
+                        if (this.config.gameUrl instanceof File) {
+                            this.config.gameUrl = this.config.gameUrl.name;
+                        } else if (this.toData(this.config.gameUrl, true)) {
                             this.config.gameUrl = "game";
                         }
                         gotGameData(res.data);
diff --git a/index.html b/index.html
index 9aab780..62afa03 100644
--- a/index.html
+++ b/index.html
@@ -130,7 +130,7 @@
             }
             
             input.onchange = async () => {
-                const url = new Blob([input.files[0]])
+                const url = input.files[0]
                 const parts = input.files[0].name.split(".")
 
                 const core = await (async (ext) => {